@charset "utf-8";
#particles {
    background: #000;
    background-size: cover;
    background-repeat: no-repeat;
    width: 100%;
    height: 360px;
    overflow: hidden;
}

#intro {
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 360px;
    text-align: center;
}

.overlay {
    position: absolute;
    background: rgba(34, 34, 34, .2);
    z-index: 99;
    top: 0;
    left: 0;
    width: 100%;
    height: 360px;
    display: block;
}

@media only screen and (max-width: 1000px) {
    h1 {
        font-size: 70px;
    }
}

@media only screen and (max-width: 800px) {
    h1 {
        font-size: 48px;
    }
    h1::after {
        height: 8px;
    }
}

@media only screen and (max-width: 568px) {
    #intro {
        padding: 0 10px;
    }
    h1 {
        font-size: 30px;
    }
    h1::after {
        height: 6px;
    }
    p {
        font-size: 18px;
    }
    .btn {
        font-size: 16px;
    }
}

@media only screen and (max-width: 320px) {
    h1 {
        font-size: 28px;
    }
    h1::after {
        height: 4px;
    }
}